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EX-2 There are two LE pt 8V be used as a polar ity det'. Apply a tve source voltage and a green Light results. GREEN Negative supplies vesult in a RED Light. Packages of such combinations are commercially available . RED Find the resistor R to ensure a Current of 20 mA through the "ON" diode · Both diodes have a reverse breakdown voutage of 3v and on average turn on voltage of 2v.

EX-2 There are two LE pt 8V be used as a polar ity det'. Apply a tve source voltage and a green Light results. GREEN Negative supplies vesult in a RED Light. Packages of such combinations are commercially available . RED Find the resistor R to ensure a Current of 20 mA through the "ON" diode · Both diodes have a reverse breakdown voutage of 3v and on average turn on voltage of 2v.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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EX-2 There are two LEDS that can be used as a polar ity det'. A pply a tve source voltage and a green Light results. GREEN Negative supplies result in a RED Light. Packages of such combinations are RED commercially available · Find the resistor R to ensure a CUrrent of 20 mA through the "ON diode · Both diodes have a reverse breakdown voutage of 3V and an average turn on voltage of 2V.
Transcribed Image Text:EX-2 There are two LEDS that can be used as a polar ity det'. A pply a tve source voltage and a green Light results. GREEN Negative supplies result in a RED Light. Packages of such combinations are RED commercially available · Find the resistor R to ensure a CUrrent of 20 mA through the "ON diode · Both diodes have a reverse breakdown voutage of 3V and an average turn on voltage of 2V.
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